Infer on how the given scenario will affect the reading of the titrant volume during our recent acid-base titration experiment:The burette was not rinsed with standard solution.less volume will be consumedno chemical reaction will occurmore volume will be consumedsame volume will be consumed
Question
Infer on how the given scenario will affect the reading of the titrant volume during our recent acid-base titration experiment:The burette was not rinsed with standard solution.less volume will be consumedno chemical reaction will occurmore volume will be consumedsame volume will be consumed
Solution
The scenario given suggests that the burette used in the acid-base titration experiment was not rinsed with the standard solution. This could potentially affect the reading of the titrant volume in the following ways:
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Residual Solution: If the burette had been used previously and not cleaned properly, there could be residual solution left in the burette. This could dilute the standard solution and lead to a higher volume reading than what is actually being used in the titration.
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Contamination: If the burette was not rinsed with the standard solution, it could also mean that it was not rinsed at all. This could lead to contamination from previous solutions or even dust and dirt. This could interfere with the chemical reaction and affect the volume of titrant needed to reach the endpoint.
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Accuracy: Rinsing the burette with the standard solution ensures that the concentration of the solution in the burette is consistent from the start of the titration. If the burette is not rinsed, the initial readings may not be accurate, leading to errors in the final volume reading.
Therefore, the most likely outcomes are that either more volume will be consumed due to dilution or contamination, or that the same volume will be consumed but with less accuracy in the readings.
Similar Questions
In the core practical ‘Carrying out a titration’, you will find out how much acid is needed to completely react with a known volume of alkali. What is the name of the apparatus that is used to add small measured amounts of the acid to the alkali?Conical flaskMeniscusBurettePipette2What is the correct way to read the volume in the burette at the end of the titration?At the top of the buretteAt the top of the meniscusAt the bottom of the buretteAt the bottom of the meniscus3Why is phenolphthalein a good indicator for a titration between an acid and an alkali?Because it is acidicBecause it is alkalineBecause it has a clear colour change between acid and alkaliBecause it is neutral4How should you record the results of your titres?To one decimal place of any numberTo one decimal place where the number is always 0 or 5To two decimal places where the second decimal place can be any numberTo two decimal places where the second decimal place is always 0 or 55You should keep repeating titres until you get concordant results. What does this mean?Two or more results must be within 0.5 cm3 of each otherTwo or more results must be within 1 cm3 of each otherTwo or more results must be within 0.1 cm3 of each otherThree or more results must be within 0.1 cm3 of each other6Three titres are calculated as follows: 24.50 cm3, 24.45 cm3, 24.55 cm3. What is the mean titre?24.55 cm324.5 cm373.5 cm324.45 cm3
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